/* Simple JavaScript Inheritance
 * By John Resig http://ejohn.org/
 * MIT Licensed.
 */

(function(){
    var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/;

    this.Class = function(){};

    Class.extend = function(prop) {
        var _super = this.prototype;

        initializing = true;
        var prototype = new this();
        initializing = false;

        for (var name in prop) {
            prototype[name] = typeof prop[name] == "function" &&
            typeof _super[name] == "function" && fnTest.test(prop[name]) ?
                (function(name, fn){
                    return function() {
                        var tmp = this._super;
                        this._super = _super[name];

                        var ret = fn.apply(this, arguments);
                        this._super = tmp;

                        return ret;
                    };
                })(name, prop[name]) :
                prop[name];
        }

        function Class() {
            if ( !initializing && this.init )
                this.init.apply(this, arguments);
        }

        Class.prototype = prototype;

        Class.prototype.constructor = Class;

        Class.extend = arguments.callee;

        return Class;
    };
})();

window.namespace = function(namespaces){
    'use strict';
    var names = namespaces.split('.');
    var last  = window;
    var name  = null;
    var i     = null;

    for(i in names){
        name = names[i];

        if(last[name]===undefined){
            last[name] = {};
        }

        last = last[name];
    }
    return last;
};